[PT031AAF], Patent Caveat, Thomas Alva Edison, June 15th, 1889

Item

Abstract

[case file for caveat 115] [WHY IS THIS AN ALTERNATE DATE FOR THE BIG 12 MAY CAVEAT PT031AAF1? There is some preceding Patent Office correspondence stating caveat cannot be properly filed until it is restricted to a single invention---NOTE THIS IN OUR EDITORIAL DISCUSSION OF CAVEAT PRACTICES]

Date

1889-06-15

Decade

1880-1889

Identifier

PT031AAF

Folder Set

PT031AAF

Title

[PT031AAF], Patent Caveat, Thomas Alva Edison, June 15th, 1889

Microfilm ID

113:494

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University